body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
       /* 引入图片作为背景 */
    background-image: url('../images/cart.jpg'); 
    /* 让背景图片覆盖整个页面 */
    background-size: cover; 
    /* 禁止背景图片重复 */
    background-repeat: no-repeat; 
    /* 让背景图片居中显示 */
    background-position: center center; 
}

.checkout {
    background: rgba(255, 255, 255, 0.7); /* 半透明背景 */
  backdrop-filter: blur(8px); /* 模糊效果 */
  -webkit-backdrop-filter: blur(8px); /* Safari 兼容性 */
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
  max-width: 600px;
  width: 100%;
}

.checkout h2 {
    text-align: center;
    color: #333;
}

.checkout-info h3 {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pay {

    display: block;
    width: 100%;
    padding: 10px;
    margin-top: 20px;
    background-color:red;
    color: #fff;
    text-align: center;
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.pay:hover {
    background-color: red;
}